ppun:PP4_53340 K01775 alanine racemase [EC:5.1.1.1] | (GenBank) alr; alanine racemase DadX ppun:PP4_53350 K00285 D-amino-acid dehydrogenase [EC:1.4.5.1] | (GenBank) dadA; D-amino acid dehydrogenase ppun:PP4_39110 K07305 peptide-methionine (R)-S-oxide reductase [EC:1.8.4.12] | (GenBank) msrB; peptide methionine sulfoxide reductase MsrB